EP1851411B1 - Meisselhaltersystem - Google Patents

Meisselhaltersystem Download PDF

Info

Publication number
EP1851411B1
EP1851411B1 EP05825940.9A EP05825940A EP1851411B1 EP 1851411 B1 EP1851411 B1 EP 1851411B1 EP 05825940 A EP05825940 A EP 05825940A EP 1851411 B1 EP1851411 B1 EP 1851411B1
Authority
EP
European Patent Office
Prior art keywords
base part
supporting surface
shoulder
region
plug
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Not-in-force
Application number
EP05825940.9A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1851411A1 (de
Inventor
Bernd Holl
Dieter Simons
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wirtgen GmbH
Original Assignee
Wirtgen GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Wirtgen GmbH filed Critical Wirtgen GmbH
Publication of EP1851411A1 publication Critical patent/EP1851411A1/de
Application granted granted Critical
Publication of EP1851411B1 publication Critical patent/EP1851411B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
    • E21C35/18—Mining picks; Holders therefor
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00—Drill bits

Definitions

  • the invention relates to a chisel holder system having a base part and a chisel holder, the base part having a plug-in receptacle into which the chisel holder is inserted with a plug projection, wherein the chisel holder is supported with a contact surface on a support surface of the base part, wherein the base part against the support surface, then having a shoulder, and wherein between the shoulder and a facing end surface of the chisel holder a Vietnamesesetzraum is formed.
  • Such a chisel holder system is from the DE 43 22 401 A1 known.
  • This interchangeable holder system has a base part which can be welded, for example, on the lateral surface of a Fräswalzenrohres a road milling machine. It has a plug-in receptacle, in which a chisel holder with its Schafförmigen plug approach is used.
  • the base part has a shoulder around the plug-in receptacle of the base part.
  • the bit holder is arranged at a distance from the paragraph.
  • the chisel holder is supported solely on the support surface of the base part for transmitting the forces during operation.
  • the chisel holder represents a wearing part, which is replaced when the wear limit is reached.
  • the base part must be protected against wear as possible, since it is the expensive and only with high assembly costs to be replaced part of the chisel holder system.
  • the support surface With the depression, the support surface is delimited and created a defined support area. Should wear on the parts of the chisel holder system occur during operation, the recess prevents burr formation on the base part, since the chisel holder protrudes over the support surface on the recess with its support surface and the support surface can not work into the support surface here. Thus, the support surface retains its shape and position. Once the bit holder is worn, it can be exchanged for a new one and this defined on the support surface to be supported again.
  • the depression is groove-like and forms a recess extending in the direction vertical to the support surface.
  • the depression can be easily finished.
  • the depression in the groove bottom is rounded; so that the notch stresses introduced into the base part are minimized.
  • the contact surface of the chisel holder projects beyond the support surface of the base part in the region of the depression and ends there, then it is ensured that the contact surface of the chisel holder always projects beyond the support surface in the region of the depression. This degree of formation on the base part is reliably prevented in a simple manner.
  • the contact surface of the chisel holder projects beyond the support surface of the base part on all sides. In this way, the outline of the contact surface of the base part relative to the contact surface of the chisel holder is offset inwards. Should wear occur, the support surface will be incorporated into the bit holder and will remain intact. This embodiment also protects the support surface from scrap material that drains off the bit holder. This leaching to the support surface are safe and easily prevented
  • a preferred embodiment of the invention is such that the support surface of the base part is formed by a shoulder whose cross-sectional dimension running parallel to the support surface is smaller than or equal to the contact surface at least in the area adjoining the support surface, so that the contact surface projects beyond the shoulder outside in this region.
  • the heel thus forms a wear area within which the support surface can be processed, but they always functionally support the bit holder. In this way, the service life of the base part can be maintained long.
  • the plug-in receptacle of the base part for the plug attachment of the chisel holder extends into the area of the support surface, then it can be provided that the plug-in receptacle terminates at its end facing the bit holder in a cross-sectional widening, that the depression runs out in the region of this cross-sectional widening, and that the bit holder engages with a transition section in the cross-sectional widening, wherein the transition section leads the plug-in approach in the support surface.
  • the transition region between the recess and the cross-sectional widening is optimally adapted to the dimensioning of the dimensions of the support surface in the region of the insertion projection.
  • bit holder has a lower hardness in the region of the contact surface than the support surface of the base part.
  • the Fig. 1 and 2 show a base part 10, which is fastened with a curved connecting surface 11 on the outer periphery of a Fräswalzenrohres, such as a road milling machine.
  • the base part 10 has a support surface 12 to which a paragraph 13 is connected at an angle.
  • a plug-in receptacle 14 is introduced as a recess in the base part 10.
  • the plug-in receptacle 14 runs out by means of a cross-sectional widening 14.1 in the support surface 12 or in the shoulder 13.
  • the support surface 12 is supported by a shoulder 16.1.
  • the support surface 12 is closed by means of a recess 15.
  • the recess 15 is arranged as a groove on both sides of the plug-in receptacle 14 and creates a spatial connection between the cross-sectional widening 14.1 and the shoulder 16.1.
  • the groove depth is chosen so that it can detect the wear of the support surface 12 as a wear marker.
  • the 3 and 4 show a bit holder 20, which has a base body 22.
  • the base body 22 carries a downwardly directed contact surface 27.
  • the front side is followed by an apron 28 on the base body 22.
  • a plug-in projection 21 In the transition region between Grundköper 22 and skirt 28 is a plug-in projection 21, whose cross-section is adapted to the plug receptacle 14 of the base part 10.
  • the plug-in approach 21 by means of a transition section 21.2 in the contact surface 27 of the body 22 and a final surface 28.1 of the skirt 28 via.
  • the end portion 23 terminates with an annular bearing surface 25, in the center of a bit holder 26 is drilled.
  • the end portion 24 is provided for wear detection with circumferential groove-like depressions 24.1.
  • To stabilize the approach 23 and the improved outflow of waste material of the neck 23 is connected to the skirt 28 via a web-like Spanbrechner 29.
  • the plug-in projection 21 is provided with a pressure surface 21.1.
  • FIGS. 5 and 6 show the base part 10 and the bit holder 20 in the assembled position.
  • the plug 21 is inserted into the socket 14.
  • fastening screw which acts on the pressure surface 21.1 of the plug 21 and which is screwed into the screw 17 of the base member 10
  • the bit holder 20 can be fixed to the base part 10.
  • the contact surface 27 is supported on the support surface 12.
  • the end face 28.1 stands for the formation of a Nachsetzraumes at a distance from the shoulder 13th
  • the bit holder 20 stands, as the Fig. 6 clearly reveals, circumferentially with its contact surface 27 via the support surface 12 via.
  • the contact surface 27 closes in the region above the depression 15.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Environmental & Geological Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Percussive Tools And Related Accessories (AREA)
  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
  • Road Repair (AREA)
  • Workshop Equipment, Work Benches, Supports, Or Storage Means (AREA)
  • Cutting Tools, Boring Holders, And Turrets (AREA)
  • Automatic Tool Replacement In Machine Tools (AREA)
EP05825940.9A 2005-01-26 2005-12-07 Meisselhaltersystem Not-in-force EP1851411B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102005003734A DE102005003734B3 (de) 2005-01-26 2005-01-26 Meißelhaltersystem
PCT/EP2005/013073 WO2006079389A1 (de) 2005-01-26 2005-12-07 Meisselhaltersystem

Publications (2)

Publication Number Publication Date
EP1851411A1 EP1851411A1 (de) 2007-11-07
EP1851411B1 true EP1851411B1 (de) 2013-04-24

Family

ID=35668825

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05825940.9A Not-in-force EP1851411B1 (de) 2005-01-26 2005-12-07 Meisselhaltersystem

Country Status (11)

Country Link
US (1) US7784875B2 (pt)
EP (1) EP1851411B1 (pt)
JP (1) JP4709855B2 (pt)
KR (1) KR100922176B1 (pt)
CN (1) CN101091037B (pt)
AU (1) AU2005325858B2 (pt)
BR (1) BRPI0519944B1 (pt)
DE (1) DE102005003734B3 (pt)
RU (1) RU2360110C2 (pt)
TW (1) TW200639319A (pt)
WO (1) WO2006079389A1 (pt)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4855488B2 (ja) * 2009-03-05 2012-01-18 エヴァーパッズ カンパニー， リミテッド ツール保持装置
US8469456B2 (en) 2009-03-25 2013-06-25 Wirtgen Gmbh Ejector unit for a road milling machine or the like
DE102009014730B3 (de) * 2009-03-25 2010-10-28 Wirtgen Gmbh Auswerfer bzw. Auswerfereinheit für eine Straßenfräsmaschine oder dergleichen
DE102009014729B3 (de) * 2009-03-25 2010-11-04 Wirtgen Gmbh Auswerfer für eine Straßenfräsmaschine oder dergleichen
AU2012258452B2 (en) * 2009-12-17 2016-02-25 Wirtgen Gmbh Bit holder and base part
DE102009059188A1 (de) * 2009-12-17 2011-06-22 Wirtgen GmbH, 53578 Meißelhalter und Basisteil
DE102009059189A1 (de) * 2009-12-17 2011-06-22 Wirtgen GmbH, 53578 Meißelhalter und Basisteil zur Aufnahme eines Meißelhalters
DE102010038016C5 (de) 2010-10-06 2020-07-23 Wirtgen Gmbh Mischersteg für einen Stabilisierer/Recycler
SI2646653T1 (sl) * 2010-12-03 2021-08-31 Wirtgen Gmbh Držalo dleta
AU2011334854B2 (en) * 2010-12-03 2016-06-16 Wirtgen Gmbh Chisel holder, and chisel holder system comprising a chisel holder and a base part
TWI480447B (zh) * 2010-12-03 2015-04-11 Wirtgen Gmbh Turret (b)
RU2563008C2 (ru) 2010-12-03 2015-09-10 Виртген Гмбх Резцедержатель и система резцедержателя с резцедержателем и корпусом
DE102010061019A1 (de) 2010-12-03 2012-06-06 Betek Gmbh & Co. Kg Meißelhalter und Werkzeugunterteil für einen Meißelhalter
GB201105438D0 (en) * 2011-03-31 2011-05-18 Element Six Holding Gmbh Pick apparatus and pick tools
USD667855S1 (en) 2011-04-11 2012-09-25 Betek Gmbh & Co. Kg Base for a chisel holder
USD667854S1 (en) 2011-04-11 2012-09-25 Betek Gmbh & Co. Kg Chisel holder
DE102011051525A1 (de) 2011-07-04 2013-01-10 Wirtgen Gmbh Meißelhalter für eine Bodenbearbeitungsmaschine
USD666642S1 (en) 2011-07-04 2012-09-04 Wirtgen Gmbh Chisel holder
USD669505S1 (en) * 2011-11-23 2012-10-23 Wirtgen Gmbh Chisel holder bar
DE102012012615A1 (de) * 2012-06-19 2013-12-19 Bomag Gmbh Auswerfer für eine mobile Bodenbearbeitungsmaschine
CN108180016B (zh) * 2013-06-18 2021-05-18 爱斯科集团有限责任公司 矿物开采尖头、尖头保持器和组合
JP1572680S (pt) * 2016-02-22 2017-03-27
DE102016108808A1 (de) 2016-05-12 2017-11-16 Betek Gmbh & Co. Kg Meißel mit einem Stützelement mit einem Zentrieransatz
DE102018109150A1 (de) * 2018-04-17 2019-10-17 Betek Gmbh & Co. Kg Fräsmeißel

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3992061A (en) * 1975-04-07 1976-11-16 Joy Manufacturing Company Mining cutter bit assembly
US4828327A (en) * 1987-03-19 1989-05-09 Joy Technologies Inc. Bit holder for miner
JPH04322401A (ja) * 1991-04-23 1992-11-12 Hitachi Chem Co Ltd 高温用サーミスタ素子
DE4306206A1 (de) * 1993-03-01 1994-09-08 Wirtgen Gmbh Fräsmeißelanordnung für Straßenfräsmaschinen
DE4322401C2 (de) * 1993-07-06 1996-06-20 Betek Bergbau & Hartmetall Befestigung eines Schrämwerkzeugs an einem Schrämkörper
JPH10161713A (ja) * 1996-12-02 1998-06-19 Mitsubishi Electric Corp プログラム作成方法
DE10161713B4 (de) 2001-12-15 2004-02-05 Wirtgen Gmbh Meißelhalterwechselsystem
DE20221925U1 (de) * 2002-12-27 2009-05-20 Wirtgen Gmbh Schrämwerkzeug
DE202004018419U1 (de) 2004-11-26 2005-02-24 Wirtgen Gmbh Meißelhalter

Also Published As

Publication number Publication date
US20090289493A1 (en) 2009-11-26
JP4709855B2 (ja) 2011-06-29
KR20070104352A (ko) 2007-10-25
RU2360110C2 (ru) 2009-06-27
JP2008528831A (ja) 2008-07-31
RU2007132199A (ru) 2009-03-10
AU2005325858A1 (en) 2006-08-03
CN101091037B (zh) 2011-05-11
CN101091037A (zh) 2007-12-19
KR100922176B1 (ko) 2009-10-19
DE102005003734B3 (de) 2006-02-16
WO2006079389A1 (de) 2006-08-03
US7784875B2 (en) 2010-08-31
BRPI0519944B1 (pt) 2017-04-04
TWI333521B (pt) 2010-11-21
TW200639319A (en) 2006-11-16
EP1851411A1 (de) 2007-11-07
BRPI0519944A2 (pt) 2009-04-07
AU2005325858B2 (en) 2009-07-16

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